JavaScript
The language of the web, front and back.
- 8.8%
- of core AI postings mention it
- 310
- postings
- 228
- companies
History starts on September 11, 2026. Movement needs a comparable later edition at least 30 days on.
Where it is mentioned most
Each row divides by that role's postings in this edition, highest share first.
Postings in 10 role families mention JavaScript in this edition.
None of the 8 role families with a page of their own mentions JavaScript in one posting in five or more.
No role family with a page of its own mentions JavaScript at twice its share of all core AI postings or more.
How the readings are made: "more concentrated than overall" means that in a role family with a page of its own, at least 10 postings mention the skill and its share is at least 2 times its share of all core AI postings; "common" means at least 20% of a role's postings mention it. They describe the postings open in this edition, not a trend.
- AI Engineer13.4%234 of 1,741 postings
- MLOps / Platform Engineer13.2%5 of 38 postings · Sample below the page threshold; not read
- 21 of 225 postings
- Data Scientist5.3%8 of 151 postings
- 7 of 175 postings
- AI Researcher3.3%2 of 60 postings · Sample below the page threshold; not read
- 3 of 113 postings
- 7 of 305 postings
- 7 of 321 postings
- 2 of 123 postings
Skills that appear with it
Each share divides by the postings that mention JavaScript: how many of them also mention each skill, grouped into three lenses.
Foundations and problem-solving
Categories: Languages, Machine learning, Data engineering, Databases, Methods and process
- Python74.8%Languages · 232 postings
- System Architecture54.5%Methods and process · 169 postings
- HTML40.6%Languages · 126 postings
- REST API40.3%Methods and process · 125 postings
- SQL38.7%Languages · 120 postings
- Relational Databases37.4%Databases · 116 postings
- CSS35.2%Languages · 109 postings
- C#30.6%Languages · 95 postings
Production and delivery
Categories: DevOps, Cloud, Tools
Framework, LLM and domain signals
Categories: Frameworks, LLM applications, Domain knowledge, Office software
- LLM44.5%LLM applications · 138 postings
- Web Development30.6%Domain knowledge · 95 postings
Industries and places
Share of this skill's postings.
- Software & Internet12640.6%
- Electronics & Hardware5919.0%
- Wholesale, Retail & E-commerce227.1%
- Telecom, Media & Digital Content206.5%
- Manufacturing206.5%
- Semiconductor175.5%
- Construction & Real Estate92.9%
- Healthcare & Biotech92.9%
- Finance & Insurance92.9%
- Professional Services72.3%
- Hospitality & Consumer Services41.3%
- Consulting & Marketing Services31.0%
- Taipei13944.8%
- New Taipei4915.8%
- Kaohsiung289.0%
- Taichung268.4%
- Taoyuan206.5%
- Hsinchu City134.2%
- Hsinchu County103.2%
- Miaoli72.3%
- Tainan72.3%
- Nantou20.7%
- Yunlin20.7%
- Changhua20.7%
Where this number is read from
Of the 310 postings, how many were found through the employer's own skill tags, the title, and the job description. A posting can carry more than one kind of evidence, so the three add up to more than the posting count.
- Employer's skill tags172
- Job title1
- Job description205